QUETTA: A shutter-down strike was being observed in Quetta on Tuesday as a sign of protest against yesterday's killings of four Hazara men on the call of the Hazara Democratic Party, DawnNews reported.

Four men of the Hazara Shia community were killed and two others injured in an attack on Quetta’s Masjid road.

According to the police, Raza Hussain and his colleagues were going home after closing their electronic shop when gunmen on a motorcycle opened fire on their vehicle. The attackers escaped after the shooting.

Meanwhile, a heavy contingent of police and Frontier Corps (FC) personnel have been deployed in various parts of the city today to avoid the occurrence of another untoward incident in the provincial capital.